EP0562262A2 - Wheeled carriages, and a warehouse carriage system comprising such carriages - Google Patents

Wheeled carriages, and a warehouse carriage system comprising such carriages Download PDF

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Publication number
EP0562262A2
EP0562262A2 EP93102411A EP93102411A EP0562262A2 EP 0562262 A2 EP0562262 A2 EP 0562262A2 EP 93102411 A EP93102411 A EP 93102411A EP 93102411 A EP93102411 A EP 93102411A EP 0562262 A2 EP0562262 A2 EP 0562262A2
Authority
EP
European Patent Office
Prior art keywords
frame members
holes
carriage
axles
supported
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP93102411A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0562262A3 (enrdf_load_stackoverflow
Inventor
Rex Deakin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WAGON STORAGE PRODUCTS Ltd
Original Assignee
WAGON STORAGE PRODUCTS Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WAGON STORAGE PRODUCTS Ltd filed Critical WAGON STORAGE PRODUCTS Ltd
Publication of EP0562262A2 publication Critical patent/EP0562262A2/en
Publication of EP0562262A3 publication Critical patent/EP0562262A3/xx
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/006—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism
    • B60B33/0063—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism no swivelling action, i.e. no real caster
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B53/00—Cabinets or racks having several sections one behind the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0028—Construction of wheels; methods of assembling on axle

Definitions

  • This invention is concerned with improvements relating to carriages, particularly of the kind (hereinafter referred to as being of the kind specified) as are used in track systems for the movement of items over relatively short distances.
  • a warehouse carriage system may comprise a trackway upon which a plurality of storage units are mounted for movement between positions of close proximity, corresponding to a maximum storage density, to separated positions enabling access to the storage units to be gained.
  • the trackways are mounted in channels in the floor
  • the storage units comprise carriages in the form of wheeled bases, upon which supporting devices, which may be in the form of racking structures, are mounted.
  • the carriages comprise frame members of channel section, and conventionally axles for the wheels of the carriages are mounted on additional frame elements such as axle plates welded or otherwise secured to the frame members. This entails a complicated construction and adds to the expense of the carriage.
  • a carriage of the kind specified comprising a framework comprising frame members of channel construction, and wheels supported by the framework, wherein the wheels are supported by axles extending through plunged holes in the frame members.
  • the plunging operation will involve a piercing stage, involving the removal of the centre, and a deforming operation in which metal surrounding the centre is deformed radially outwardly into a generally cylindrical form.
  • the bosses may be utilised to support the axle directly, or may be used to carry bearing for the axle.
  • reinforcing members may be subsequently secured (e.g.) by welding to the frame members to support the frame members in the vicinity of the plunged holes.
  • Such support may be afforded by reinforcing plates, e.g. having bores which may be mounted as a tight fit over the plunged bosses, the plate lying in face-to-face contact with a portion of the frame member in which the plunged hole is formed, or may be in the form of a web.
  • a carriage for use in a track system for the movement of items over a relatively short distance comprising frame members of channel section, and axles for the wheels of the carriage supported by the frame members, characterised in that there is provided in adjacent pairs of frame members axle support means comprising coaxial holes in each such adjacent pair of frame members, and sleeve portions extending around the holes in an axial direction, the axles extending through the holes and being supported by said sleeve portions.
  • axles may be supported by said sleeve portions through the intermediary of bearings, or fixing means may be utilised to secure the axles in fixed position in relation to said holes, the wheels conveniently being supported by bearing means carried by the axles.
  • a warehouse carriage system comprising a trackway and a plurality of storage units mounted on the tracking for movement between positions of close proximity and separated positions, the storage units each comprising a carriage of the kind set out in the last eight preceding paragraphs.
  • the carriage which is the first embodiment of the invention typically comprises a supporting frame 6 comprising longitudinal frame members 8 a , 8 b , 8 c and 8 d , and transverse frame members arranged in pairs, 10 a1 ,10 a2 ; 10 b1 , 10 b2 ; and 10 c1 , 10 c2 .
  • the frame also comprises diagonal frame members 12, and a drive motor 14, in conventional manner.
  • the carriage which is the first embodiment of the invention is designed to carry a racking structure extending vertically upwardly therefore, to support a plurality of items, and to be capable of travelling movement in trackways 15, which may be flanged, shown in enlarged form in Figure 2, or non-flanged.
  • the carriages are driven only short distances along the trackways, conveniently between positions in which they are in adjacent close proximity, to positions in which access may be gained between any adjacent pair of carriages.
  • Each adjacent pair of frame members 10 a , 10 b or 10 c supports a plurality of wheels 18.
  • the frame members are each provided with a plunged hole 20 for each wheel, defining short cylindrical bosses 22 providing extensive support for an axle 24.
  • the axle 24 supports roller bearings 26, on which the wheels 18 are carried.
  • the axle 24 is held in position by cover plates 30 a ,30 b and bolts 32 a , 32 b .
  • the frame members 10 a1 and 10 a2 are provided with reinforcing members in the form of plates 3 4a , 34 b , each being provided with a central bore 36 which is a tight fit around the boss 22, in which position the plate is welded to the channel-section frame member.
  • reinforcing members may be provided in the form of webs 40 welded across the corners of the frame members.
  • bridge plates 42 are used to secure each pair of frame members together.
  • holes 120 are formed so as to provide a support for bearings 126 for the axle 124, upon which the wheel 118 is fixedly mounted. Nonetheless in the second embodiment the holes 120 are afforded by a plunging operation, involving an initial removal of metal from the side face of the channel-section frame member, prior to deformation of metal surrounding the centre, to provide a boss 122 in the form of a shallow, open-bottom cup, as shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)
  • Warehouses Or Storage Devices (AREA)
EP93102411A 1992-03-21 1993-02-16 Wheeled carriages, and a warehouse carriage system comprising such carriages Withdrawn EP0562262A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9206228 1992-03-21
GB929206228A GB9206228D0 (en) 1992-03-21 1992-03-21 Carriages

Publications (2)

Publication Number Publication Date
EP0562262A2 true EP0562262A2 (en) 1993-09-29
EP0562262A3 EP0562262A3 (enrdf_load_stackoverflow) 1994-02-02

Family

ID=10712614

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93102411A Withdrawn EP0562262A2 (en) 1992-03-21 1993-02-16 Wheeled carriages, and a warehouse carriage system comprising such carriages

Country Status (2)

Country Link
EP (1) EP0562262A2 (enrdf_load_stackoverflow)
GB (2) GB9206228D0 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1380230A1 (en) * 2002-07-12 2004-01-14 Ital Momet SpA Base for movable shelving

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ583197A (en) * 2007-08-17 2012-08-31 Glidestore Freetrack Pty Ltd Runner assembly inculding t-shaped slot to accommodate nut
GB2594311B (en) * 2020-04-23 2022-12-21 Shufflestore Ltd Racking system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH572438A5 (enrdf_load_stackoverflow) * 1973-04-26 1976-02-13 Demag Ag
GB1574121A (en) * 1976-12-22 1980-09-03 Surman Ind Ltd Storage systems
DE3216119C2 (de) * 1982-04-30 1985-08-01 Witzenmann GmbH, Metallschlauch-Fabrik Pforzheim, 7530 Pforzheim Bewegliche Unterstützung für Rohrleitungen, Apparate od. dgl.
JPS5970202A (ja) * 1982-10-16 1984-04-20 Kubota Ltd 歩行型移動農機の車輪取付用アタツチメント

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1380230A1 (en) * 2002-07-12 2004-01-14 Ital Momet SpA Base for movable shelving

Also Published As

Publication number Publication date
GB9206228D0 (en) 1992-05-06
GB2265128A (en) 1993-09-22
GB9302998D0 (en) 1993-03-31
GB2265128B (en) 1995-08-09
EP0562262A3 (enrdf_load_stackoverflow) 1994-02-02

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